astronomers during the geocentrism vs heliocentrism disputes. In 1609, Johannes Kepler, an advocate of the heliocentric model, using his patron Tycho Brahe's...

cyclical movements of the Earth: eccentricity (100,000-year cycle – Johannes Kepler, 1609), axial tilt (41,000-year cycle – from 22.1° to 24.5°), and precession...

substantial series of more accurate observations. German natural philosopher Johannes Kepler at first worked to combine Copernican system with Platonic solids in...

Fixsternverzeichnis" [Attempting a restoration of Hipparchus' fixed-star catalog]. Astronomische Nachrichten (in German). 224 (2–3): 17–54. Bibcode:1925AN....224...17V...

falling object is proportional to the square of the time elapsed. 1609 – Johannes Kepler states his first two empirical laws of planetary motion, stating that...

was included in Tycho Brahe's star catalogue, republished in 1627 by Johannes Kepler as part of his Rudolphine Tables. This catalogue was based on Tycho...

the Dutch city of Leiden, Lugdunum Batavorum DMP · 1133 1134 Kepler 1929 SA Johannes Kepler (1571–1630), astronomer DMP · 1134 1135 Colchis 1929 TA Colchis...

Chile MPC · 3495 3496 Arieso 1977 RC name consists of acronyms of Astronomisches Rechen-Institut and the European Southern Observatory MPC · 3496 3497...

scientists such as Johannes Kepler, Simon Marius, and Michael Maestlin were aware of the Fabricius' early sunspot work, and indeed Kepler repeatedly referred...

astronomical Easter between 1700 and 1776, based on the Rudolphine Tables of Johannes Kepler, which were in turn based on astronomical positions of the Sun and...